Hyperthyroidism, is the condition where glandular hyperfunctions and high a production of T3 and T4. Hyperthyroidism is associated with unexplained weight loss, excessive sweating, fatigue, palpitations and tachycardia – hypertension, nervousness, generalized weakness, poor sleep, tremors in the hands, confusion, diarrhea etc

They are the main anti-thyroid auto-antibodies that affect both the function and hormonal performance of the gland as well as the it’s histological integrity. Tests can predict at an early stage, the onset of gland subfunctions and are used in the differential diagnosis of Hashimoto’s thyroiditis and Graves’s disease.

Optional Test for thyroid relatevly rare conditions, are :

Tumor Markers

Use in cases where there is evidence of neoplastic disease as well as in further assessment of nodules that increase in size.

Thyroglobulin (TG),

Calcitonin (CT),

CEA (carcinoembryonic antigen)

Autoimmune antibodies

TSI Activation Antibodies to TSH

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Information selected from :

MayoClinic.org

Labtestsonline.org

Interpretation of Diagnostic Tests – J.Wallach

The exact choice of tests required, is under the responsibility of your treating physician

Editor: I. Gratsias Lab Director / Clinical Biochemist

Last Update May 2019

Medical Tests performed with analytical systems and reagents

by SIEMENS-USA & BECMAN COULTER-USA

PREPARATION

Thyroid tests do not require specific preparation or a particular diet.

Caution is only needed for people on thyroid medication, since they should not have taken their medication before blood collection unless the doctor indicates otherwise.

Sampling

Blood sampling can take place at any time of the day (laboratory opening hours 7.30 am – 7.30 pm).